20691136

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10429}}^1$

素因数の和:10472

約数の個数: 28

約数和(自身を含む): 42387520

約数和(自身を除く): 21696384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10429, 20858, 41716, 83432, 166864, 323299, 333728, 646598, 667456, 1293196, 2586392, 5172784, 10345568, 20691136]

約数ペア:

[(1, 20691136), (2, 10345568), (4, 5172784), (8, 2586392), (16, 1293196), (31, 667456), (32, 646598), (62, 333728), (64, 323299), (124, 166864), (248, 83432), (496, 41716), (992, 20858), (1984, 10429)]